Huge rocks are called _________.
stones
boulders
Small rocks are called ________.
stones
pebbles
Small and smooth rocks are called ________.
pebbles
rocks
Breaking of rocks in to smaller pieces is _________.
weathering
breaking
What is it?
rock
sand
What is it?
sand
clay
What is it?
boulders
soil
What type of rock is it?
granite
clay
What type of rock is it?
slate
marble
What type of rock is it?
slate
clay
What type of rock is it?
soil
gemstones
What type of rock is it?
gravel
marble
_________ is formed after cooling of lava.
basalt
volcano
_______ are formed after rocks undergo very high heat and pressure.
gems
quartzite crystals
___________ is formed when rock pieces are combined together with minerals.
limestone
marble
What is it?
excavator
bike
